package com.Ngbussiness.server;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.json.JSONArray;

import com.Ngbussiness.dao.membersDao;
import com.Ngbussiness.dao.usecouponDao;
import com.Ngbussiness.dao.impl.membersDaoImpl;
import com.Ngbussiness.dao.impl.usecouponDaoImpl;

public class UseTheCouponServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public UseTheCouponServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		response.setCharacterEncoding("utf-8");
		PrintWriter out = response.getWriter();
		
		String userid=request.getParameter("userid");
		String money=request.getParameter("money");
		String code=request.getParameter("code");
		String couponid=request.getParameter("couponid");
		String businessid=request.getParameter("businessid");
		
		usecouponDao dao = new usecouponDaoImpl();
		membersDao m=new membersDaoImpl();
		System.out.println(Integer.parseInt(userid));
		double yongjin=m.getyj(Integer.parseInt(userid));
		System.out.println(yongjin);
		if(yongjin>=Double.parseDouble(money)){
		boolean result = dao.useTheCoupon(userid, money, code, couponid, businessid);
		if(result)
			out.print("success");
		else
			out.print("error");
		}
		else{
			out.print("yongjin not enough");
		}
		out.flush();
		out.close();
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doGet(request, response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
